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MARKET FOR FACTORS OF PRODUCTION

MARKET FOR FACTORS OF PRODUCTION. Lecturer: Jack Wu. FACTOR OF PRODUCTION. Factors of production Inputs used to produce goods and services Labor, land, and capital Factor markets The demand for a factor of production is a derived demand

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MARKET FOR FACTORS OF PRODUCTION

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  1. MARKET FOR FACTORS OF PRODUCTION Lecturer: Jack Wu

  2. FACTOR OF PRODUCTION • Factors of production • Inputs used to produce goods and services • Labor, land, and capital • Factor markets • The demand for a factor of production is a derived demand • From firm’s decision to supply a good in another market

  3. DEMAND FOR LABOR • Labor market • Governed by supply and demand • Labor demand • Derived demand • Labor services = inputs into the production of other goods

  4. The versatility of supply and demand (a) The market for apples (b) The market for apple pickers Wage of apple pickers Price of apples Supply Supply P W 0 0 Quantity of apple pickers Quantity of apples Demand Demand Q L

  5. DEMAND FOR LABOR • Assumptions • Firm is competitive in both markets • For goods and for labor • Price taker • Pay the market wage • Get the market price for goods • Decide • Quantity of goods to sell • Quantity of labor to hire • Firm is profit-maximizing

  6. DEMAND FOR LABOR • Production function • Relationship between the quantity of inputs used to make a good and the quantity of output of that good • Marginal product of labor (MPL) • Increase in the amount of output from an additional unit of labor • Diminishing marginal product • The marginal product of an input declines as the quantity of the input increases

  7. VALUE OF THE MARGINAL PRODUCT OF LABOR (VMPL) • Marginal product of labor times the price of the output • Marginal revenue product • Additional revenue from hiring one additional unit of labor • Diminishes as the number of workers rises

  8. How a competitive firm decides how much labor to hire

  9. Profit Maximizing Quantity of Labor Value of the marginal product Market wage Value of marginal product (demand curve for labor) Quantity of apple pickers 0 Profit-maximizing quantity

  10. WHAT IS LABOR DEMAND CURVE? • Competitive, profit-maximizing firm • Hires workers up to the point where • Value of the marginal product of labor = wage • The value-of-marginal-product curve is the labor-demand curve • For a competitive, profit-maximizing firm • Labor-demand curve • Reflects the value of marginal product of labor

  11. SHIFTING LABOR DEMAND CURVE • What causes the labor-demand curve to shift? • The output price • Demand for labor: VMPL = MPL ˣ P of output • Technological change • Technological advance • Can raise MPL: increase demand for labor • Labor-saving technology • Can reduce MPL: decrease demand for labor • Supply of other factors • Affect marginal product of other factor

  12. LABOR SUPPLY • The trade-off between work and leisure • Labor-supply curve • Reflects how workers’ decisions about the labor-leisure trade-off • Respond to a change in opportunity cost of leisure • Upward sloping curve or backward sloping curve? • What causes the labor-supply curve to shift? • Changes in tastes • Changes in alternative opportunities • Immigration

  13. EQUILIBRIUM • Wages in competitive labor markets • Adjusts to balance the supply & demand for labor • Equals the value of the marginal product of labor • Changes in supply or demand for labor • Change the equilibrium wage • Change the value of the marginal product by the same amount

  14. Equilibrium in a labor market Wage (price of labor) Supply Equilibrium wage, W Demand Quantity of labor 0 Equilibrium employment, L

  15. CHANGE IN EQUILIBRIUM • Increase in supply • Decrease in wage • Lower marginal product of labor • Lower value of marginal product of labor • Higher employment

  16. An increase in labor supply Wage (price of labor) Supply, S1 S2 1. An increase in labor supply . . . W1 W2 2. . . . reduces the wage . . . Demand Quantity of labor 0 L2 L1 3. . . . and raises employment.

  17. CHANGE IN EQUILIBRIUM • Increase in demand • Higher wage • No change in marginal product of labor • Higher value of marginal product of labor • Higher employment

  18. An increase in labor demand Wage (price of labor) Supply 1. An increase in labor demand . . . D2 2. . . . increases the wage . . . W1 W2 Demand, D1 Quantity of labor 0 L2 L1 3. . . . and increases employment.

  19. OTHER FACTORS OF PRODUCTION • Capital • Equipment and structures used to produce goods and services • Equilibrium in the markets for land & capital • Purchase price • Price a person pays to own that factor of production indefinitely • Rental price • Price a person pays to use that factor for a limited period of time

  20. RENTAL PRICE • Wage – rental price of labor • Rental price of land & Rental price of capital • Determined by supply and demand • Demand – derived demand • Reflects marginal productivity of the factor • Each factor’s rental price = value of marginal product for the factor

  21. The markets for land and capital (a) The market for land (b) The market for capital Rental price of land Rental price of capital Supply Supply P P 0 0 Quantity of capital Quantity of land Demand Demand Q Q

  22. PURCHASE PRICE • Equilibrium purchase price • Of a piece of land or capital depends on • Current value of the marginal product • Value of the marginal product expected to prevail in the future

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